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Mathematics, 28.06.2020 02:01 EvankzGao
The Highway Safety Department wants to study the driving habits of individuals. A sample of 41 cars traveling on the highway revealed an average speed of 60 miles per hour and a standard deviation of 7 miles per hour. The population of car speeds is approximately normally distributed. Determine a 90% confidence interval estimate for the speed of all cars.
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The Highway Safety Department wants to study the driving habits of individuals. A sample of 41 cars...
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